1 files changed, 51 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr b/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr
new file mode 100644
index 000000000..4a24fc60a
--- /dev/null
+++ b/src/tools/clippy/tests/ui/manual_slice_size_calculation.stderr
@@ -0,0 +1,51 @@
+error: manual slice size calculation
+  --> $DIR/manual_slice_size_calculation.rs:11:13
+   |
+LL |     let _ = s_i32.len() * size_of::<i32>(); // WARNING
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: consider using std::mem::size_of_value instead
+   = note: `-D clippy::manual-slice-size-calculation` implied by `-D warnings`
+
+error: manual slice size calculation
+  --> $DIR/manual_slice_size_calculation.rs:12:13
+   |
+LL |     let _ = size_of::<i32>() * s_i32.len(); // WARNING
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: consider using std::mem::size_of_value instead
+
+error: manual slice size calculation
+  --> $DIR/manual_slice_size_calculation.rs:13:13
+   |
+LL |     let _ = size_of::<i32>() * s_i32.len() * 5; // WARNING
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: consider using std::mem::size_of_value instead
+
+error: manual slice size calculation
+  --> $DIR/manual_slice_size_calculation.rs:17:13
+   |
+LL |     let _ = len * size_of::<i32>(); // WARNING
+   |             ^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: consider using std::mem::size_of_value instead
+
+error: manual slice size calculation
+  --> $DIR/manual_slice_size_calculation.rs:18:13
+   |
+LL |     let _ = s_i32.len() * size; // WARNING
+   |             ^^^^^^^^^^^^^^^^^^
+   |
+   = help: consider using std::mem::size_of_value instead
+
+error: manual slice size calculation
+  --> $DIR/manual_slice_size_calculation.rs:19:13
+   |
+LL |     let _ = len * size; // WARNING
+   |             ^^^^^^^^^^
+   |
+   = help: consider using std::mem::size_of_value instead
+
+error: aborting due to 6 previous errors
+